Question

How to find whether any solution is buffer solution or not?

Answer 1

Answer:

HNO3 looks like an acid but it's a strong acid. Well right off the bat, you know that this can't be a Buffer because you have a strong acid already present in your solution.

Remember, a Buffer is a weak acid and its conjugate base. So, not a buffer, because you have the strong acid there

Answer 2

Answer:

Acidic buffer solutions are usually formed by the mixing of weak acid and salt of it such as mixture of acetic acid and sodium acetate is an example of acidic buffer solution. ... For example mixture of ammonium hydroxide with ammonium chloride is an example of alkaline buffer solution.